US10793113B2 - Windshield wiper device - Google Patents
Windshield wiper device Download PDFInfo
- Publication number
- US10793113B2 US10793113B2 US15/036,164 US201415036164A US10793113B2 US 10793113 B2 US10793113 B2 US 10793113B2 US 201415036164 A US201415036164 A US 201415036164A US 10793113 B2 US10793113 B2 US 10793113B2
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- United States
- Prior art keywords
- wiper blade
- release mechanism
- fastening
- fastening element
- engagement
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3425—Constructional aspects of the arm
- B60S1/3445—Joints between elements
- B60S1/3459—Joints between elements the element being a mounting head and a shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3425—Constructional aspects of the arm
- B60S1/3436—Mounting heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3425—Constructional aspects of the arm
- B60S1/3445—Joints between elements
- B60S1/345—Joints between elements the elements being a link piece and a mounting head
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S1/3801—Wiper blades characterised by a blade support harness consisting of several articulated elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/34—Wiper arms; Mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/52—Arrangement of nozzles; Liquid spreading means
Definitions
- the invention relates to a windshield wiper device for a vehicle, in particular a motor vehicle.
- Windshield wiper devices typically have a wiper arm or wiper lever, wherein a wiper blade is moved on the windshield of a motor vehicle.
- the wiper blade is moved between a first reversal point and a second reversal point.
- the wiper arm is connected by way of a drive shaft to a wiper motor.
- the wiper blade easily loses contact with the windshield. This can give rise, in particular in the case of intensely curved windshields, to non-wiped wiping areas, and/or to smearing.
- a wiping process must be optimized with regard to a multiplicity of parameters, such as for example an amount of rain falling on the windshield, a possible snow load on the windshield, the speed of the vehicle and associated wind pressure on the wiper arm, smearing cannot be reliably prevented simply by adapting the pressure of the wiper arm on the windshield. It is therefore a requirement to further improve windshield wiper devices.
- boundary conditions include the outlay for production or the production costs, the material costs, but also the characteristics of the windshield wiper device, in particular the function under a variety of conditions, and the durability under a multiplicity of conditions.
- a windshield wiper device for a vehicle having a fastening element, in particular a motor vehicle.
- the windshield wiper device comprises a wiper blade having an elongate upper part and an elongate lower part, which are at least partially of flexible form.
- multiple connecting elements for connecting the upper part and the lower part are provided, wherein the connecting elements are spaced apart from one another along a longitudinal extent of the wiper blade.
- the connecting elements are designed to permit a movement of the upper part and of the lower part relative to one another with a movement component along a longitudinal extent of the wiper blade.
- the wiper blade comprises a wiper blade-side fastening part.
- the wiper blade-side fastening part is configured such that, by way of a rotation of the wiper blade-side fastening part relative to the fastening element, an engagement action can be realized in order to connect the wiper blade-side fastening part to the fastening element, wherein the connection can be released by way of a release mechanism.
- the release mechanism is arranged on the wiper blade-side fastening part.
- a windshield wiper device for a vehicle, in particular a motor vehicle
- the windshield wiper device comprises a fastening element, which can be installed on the vehicle, and a wiper blade.
- the wiper blade comprises an elongate upper part and an elongate lower part, which are at least partially of flexible form.
- multiple connecting elements for connecting the upper part and the lower part are provided, wherein the connecting elements are spaced apart from one another along a longitudinal extent of the wiper blade.
- the connecting elements are designed to permit a movement of the upper part and of the lower part relative to one another with a movement component along a longitudinal extent of the wiper blade.
- the wiper blade comprises a wiper blade-side fastening part.
- the wiper blade-side fastening part is configured such that, by way of a rotation of the wiper blade-side fastening part relative to the fastening element, an engagement action can be realized in order to connect the wiper blade-side fastening part to the fastening element, wherein the connection can be released by way of a release mechanism.
- the release mechanism is arranged on the fastening element.
- a method for the installation of a windshield wiper device comprises providing a windshield wiper device as per the embodiments described herein.
- the method furthermore comprises fastening the wiper blade-side fastening part to the fastening element by realization of an engagement action between the wiper blade-side fastening part and the fastening element.
- the wiper blade-side fastening part is rotated relative to the fastening element about an axis of rotation which runs substantially transversely with respect to the longitudinal extent of the wiper blade.
- a windshield wiper device which can be installed and uninstalled in a simple manner.
- the windshield wiper device which is preferably of fin-ray type, is, with the aid of a release mechanism, installed in rotational fashion onto a bearing shaft and uninstalled therefrom in rotational fashion. Accordingly, in the event of damage, the windshield wiper device can be easily exchanged or can be easily removed before traveling through a car washing installation, and subsequently installed again.
- the rotational installation and uninstallation has the advantage that the elements to be joined do not become jammed, such as may arise for example in the case of an axially parallel joining action.
- the release mechanism is arranged on the wiper blade-side fastening part.
- the release mechanism is arranged on the fastening element.
- the wiper blade can thus be produced easily and inexpensively.
- the wiper blade-side fastening part comprises a cutout through which the release mechanism can be actuated.
- the wiper blade can be produced easily and inexpensively without additional parts.
- the release mechanism comprises a mechanically actuable pushbutton. A user can thus install and uninstall the windshield wiper device easily by pressing the pushbutton.
- the wiper blade-side fastening part has a first engagement element which is designed to realize an engagement action with a first securing element of the fastening element.
- a windshield wiper device is provided with which a position of the wiper blade-side fastening part relative to the fastening element can be fixed.
- the fastening element has a first engagement element which is designed to realize an engagement action with a first securing element of the wiper blade-side fastening part.
- a windshield wiper device is provided with which a position of the wiper blade-side fastening part relative to the fastening element can be fixed.
- the release mechanism is designed such that, upon the actuation of the release mechanism, the engagement action between the first engagement element and the first securing element is released. It is thus possible for a user to install and uninstall the wiper blade easily, for example by pressing the release mechanism.
- the release mechanism comprises an elastic element.
- the release mechanism can thus, in the installed state, be held in the position in which the first engagement element is in engagement with the first securing element, whereby an inadvertent release of the connection can be prevented.
- the wiper blade-side fastening part has a second engagement element which is designed to realize an engagement action with a second securing element of the fastening element.
- a windshield wiper device is provided with which a position of the wiper blade-side fastening part relative to the fastening element can be fixed in a particularly stable manner.
- the second engagement element extends substantially transversely with respect to the longitudinal extent of the wiper blade and is preferably of pin-like form.
- FIG. 1 is a schematic illustration of a windshield wiper device according to embodiments of the disclosure in an unfastened state
- FIG. 2 is a schematic illustration of the windshield wiper device as per FIG. 1 in a fastened state
- FIGS. 3A-C are schematic illustrations of fastening elements of a windshield wiper device according to embodiments of the disclosure.
- FIG. 4 is a schematic illustration of a windshield wiper device according to other embodiments of the disclosure in an unfastened state
- FIG. 5 is a schematic illustration of the windshield wiper device as per FIG. 4 in a fastened state
- FIGS. 6A and 6B show two perspective views of the wiper blade-side fastening part of the windshield wiper device of FIGS. 4 and 5 according to embodiments of the disclosure
- FIG. 7A shows a perspective view of the fastening element with the release mechanism of the windshield wiper device of FIGS. 4 and 5 according to embodiments of the disclosure
- FIG. 7B shows a perspective view of the release mechanism of the windshield wiper device of FIGS. 4 and 5 according to embodiments of the disclosure
- FIG. 8 shows a flow diagram illustrating embodiments of the method for the installation of a windshield wiper device according to embodiments of the disclosure.
- FIG. 9A is a schematic illustration of an exemplary embodiment of a windshield wiper device according to the invention in the form of a wiper blade in a basic position
- FIG. 9B is a schematic illustration of the wiper blade as per FIG. 9A in a position placed against a windshield.
- FIGS. 1 and 2 schematically illustrate a windshield wiper device 100 according to embodiments of the disclosure.
- FIG. 1 shows the windshield wiper device 100 in an unfastened state
- FIG. 2 shows the windshield wiper device 100 in a fastened state.
- the windshield wiper device comprises a fin-ray structure, a wiper blade-side fastening part, and a release mechanism.
- the windshield wiper device 100 comprises a wiper blade 2 with an elongate upper part 10 and with an elongate lower part 12 , which are at least partially of flexible form. Furthermore, multiple connecting elements 18 for connecting the upper part 10 and the lower part 12 are provided, wherein the connecting elements 18 are spaced apart from one another along a longitudinal extent 8 of the windshield wiper device 100 .
- the connecting elements 18 are designed to permit a movement of the upper part 10 and of the lower part 12 relative to one another with a movement component along a longitudinal extent 8 of the windshield wiper device 100 .
- the wiper blade 2 has a wiper blade-side fastening part 20 which is connectable to a fastening element 50 installed on the vehicle.
- the wiper blade-side fastening part 20 and the fastening element 50 are configured such that, by way of a rotation of the wiper blade-side fastening part 20 relative to the fastening element 50 , an engagement action can be realized in order to connect the wiper blade-side fastening part 20 to the fastening element 50 .
- the connection can be released by way of a release mechanism 60 .
- the wiper blade-side fastening part 20 and the fastening element 50 are configured such that, by rotation of the wiper blade-side fastening part 20 relative to the fastening element 50 about an axis of rotation which runs substantially transversely with respect to the longitudinal extent 8 of the wiper blade device 100 , a position of the wiper blade-side fastening part 20 relative to the fastening element 50 can be fixed.
- Such a rotation for the fastening of the wiper blade-side fastening part 20 to the fastening element 50 is indicated by way of example by the arrow 5 in FIG. 1 .
- the windshield wiper device 100 for the installation of the windshield wiper device 100 , the latter is pressed against a windshield of the vehicle by way of a rotational movement about the axis of rotation, and engages with detent action at the working point. This may be realized either by way of a force (for example using a finger) or else, for relatively strong preloads, by way of an installation moment (for example using a hand).
- the release mechanism 60 for example pushbutton
- the part (wiper blade 2 ) is separated from the wiper drive (fastening element 50 ) by way of a rotational movement.
- the release mechanism 60 is actuated, whereby the connection between the wiper blade-side fastening part 20 and the fastening element 50 is released, such that the wiper blade-side fastening part 20 can be released from the fastening element 50 by way of a rotation of the wiper blade-side fastening part 20 relative to the fastening element 50 in the opposite direction to the rotation during installation.
- a windshield wiper device which can be installed and uninstalled in a simple manner. Accordingly, the windshield wiper device can be easily exchanged in the event of damage, or can be easily removed before traveling through a car washing installation and subsequently installed again. Furthermore, jamming of the elements to be joined, such as may arise for example in the case of axially parallel installation or joining, can be avoided. This means that, for example, the fastening part 20 can be fastened securely, and without jamming, to the fastening element 50 .
- the release mechanism 60 is arranged on the wiper blade-side fastening part 20 .
- the release mechanism 60 easy and inexpensive repair is made possible, because only the wiper blade 2 has to be exchanged, and not the fastening element 50 that is fixedly installed on the vehicle.
- the release mechanism 60 is in the form of a mechanically actuable pushbutton.
- the release mechanism 60 can be actuated by way of a pressing action, as indicated in FIGS. 1 and 2 by the arrow 6 .
- the wiper blade-side fastening part 20 may have a first engagement element 21 .
- the first engagement element 21 is designed to realize an engagement action with a first securing element 51 of the fastening element 50 .
- the first engagement element 21 can realize an engagement action with the first securing element 51 by way of a rotation about the axis of rotation (arrow 5 in FIG. 1 ) which runs substantially transversely with respect to the longitudinal extent 8 of the windshield wiper device 100 .
- the first securing element 51 is formed from an edge region, a projection or a depression of the fastening element 50 . This is shown by way of examples in FIGS. 3A-3C .
- the first engagement element 21 is designed such that, upon the actuation of the release mechanism 60 , the engagement action between the first engagement element 21 and the first securing element 51 is released. It is thus possible for a user to easily install and uninstall the windshield wiper device 100 , for example by pressing the release mechanism 60 .
- the first engagement element 21 is connected to the release mechanism 60 .
- the first engagement element 21 and the release mechanism 60 are formed in one piece.
- the release mechanism 60 comprises an elastic element 25 .
- the release mechanism 60 can be fixed in a predetermined position, for example by way of a stress imparted by the elastic element 25 .
- the predetermined position is a position in which, in the installed state, the first engagement element 21 , which is connected to the release mechanism 60 , is in engagement with the first securing element 51 . In this way, an inadvertent release of the connection can be prevented.
- An actuation of the release mechanism 60 may in this case be performed counter to the elastic element 25 , for example counter to the stress imparted by the elastic element 25 .
- the elastic element 25 comprises a spring or an elastic material.
- the release mechanism 60 is mounted so as to be rotatable about an axis 61 which is substantially perpendicular to the longitudinal direction 8 .
- the release mechanism 60 and the first engagement element 21 are of L-shaped form, and are in particular formed in one piece.
- the first engagement element 21 is designed to realize an engagement action with an edge region, with a projection or with a depression of the fastening element 50 . This is discussed in FIGS. 3A-C .
- the wiper blade-side fastening part 20 may have a second engagement element 22 .
- the second engagement element 22 is typically designed to realize an engagement action with a second securing element 52 of the fastening element 50 .
- an engagement action may be realized by way of a linear movement of the second engagement element 22 of the wiper blade-side fastening part 20 relative to the second securing element 52 of the fastening element 50 .
- the end position of the second engagement element 22 that is to say the position in which the second engagement element 22 forms a stop in the second securing element 52 , defines the position of the axis of rotation about which the wiper blade-side fastening part 20 is rotated relative to the fastening element 50 during an installation or uninstallation process.
- the second engagement element 22 may be configured so as to extend substantially transversely with respect to the longitudinal extent 8 of the windshield wiper device 100 .
- the second engagement element 22 of the windshield wiper device 100 preferably extends at an angle of approximately 90° relative to the longitudinal extent 8 .
- the second engagement element 22 may be of pin-shaped form. It is thus possible, with the embodiments described herein, to provide a particularly effective and stable fastening device for a windshield wiper device.
- the second engagement element 22 may comprise a plastic or be composed of plastic.
- the second securing element 52 may comprise aluminum, zinc, a plastic, a plastic with metal insert (for example in the cone region) or a combination thereof.
- FIGS. 3A-C are schematic illustrations of fastening elements 50 according to embodiments of the disclosure.
- FIGS. 1 and 2 show the exemplary fastening element 50 with a substantially rectangular shape, wherein the first securing element 51 is formed by an edge of the rectangular fastening element 50 , and the second securing element 52 is formed by a depression in a position situated opposite the first securing element 51 .
- FIGS. 3A-C show further exemplary embodiments of the fastening element 50 , and in particular of the first securing element 51 .
- the first securing element 51 is formed by a projection. In the typical embodiment shown in FIG. 3B , the first securing element 51 is formed by a depression around fastening element 50 .
- one side surface of the fastening element 50 may be beveled or flattened so as to form an angle, which may be less than 90°, with a base surface of the fastening element 50 .
- the edge at which the flattened side surface and the base surface converge may, in typical embodiments, form the first securing element 51 .
- the first securing element 51 of the fastening element 50 shown in FIG. 3C makes contact, during the installation process, with the flattened side surface and is guided.
- the elastic element 25 when the lower end of the side surface is reached, moves the release mechanism 60 into the engaging position.
- the release mechanism 60 automatically opens counter to the elastic element 25 , for example counter to a spring force, and, in the state of engagement with detent action, an undercut is formed, and the wiper blade is held in the working position.
- the present disclosure is not restricted thereto.
- the second engagement element 22 may also be in the form of a depression, and the second securing element 52 may be in the form of a projection.
- the first and/or the second securing element 51 , 52 may be formed at other positions of the fastening element 50 and/or with a different shape.
- FIGS. 4 to 7 schematically illustrate a windshield wiper device 110 according to other embodiments of the disclosure.
- FIG. 4 shows the windshield wiper device 110 in an unfastened state
- FIG. 5 shows the windshield wiper device 110 in a fastened state.
- the windshield wiper device 110 is similar to the windshield wiper device 100 described with reference to FIGS. 1 to 3 , wherein, in the case of the windshield wiper device 110 , the release mechanism 600 is arranged on the fastening element 500 .
- FIGS. 6A and 6B show perspective views of the wiper blade-side fastening part 200 .
- FIG. 7A shows a perspective view of the fastening element 500 with the release mechanism 600 .
- FIG. 7B shows a perspective view of the release mechanism 600 .
- the windshield wiper device comprises a fastening element, which can be installed on the vehicle, a fin-ray structure, a wiper blade-side fastening part, and a release mechanism. This will be discussed in more detail in FIGS. 9A and 9B .
- the windshield wiper device 110 comprises a fastening element 500 , which can be installed on the vehicle, and a wiper blade 2 .
- the wiper blade 2 comprises an elongate upper part 10 and an elongate lower part 12 , which are at least partially of flexible form.
- multiple connecting elements 18 for connecting the upper part 10 and the lower part 12 are provided, wherein the connecting elements 18 are spaced apart from one another along a longitudinal extent 8 of the windshield wiper device 100 .
- the connecting elements 18 are designed to permit a movement of the upper part 10 and of the lower part 12 relative to one another with a movement component along a longitudinal extent 8 of the windshield wiper device 110 .
- the wiper blade 2 has a wiper blade-side fastening part 200 , which is connectable to the fastening element 500 .
- the wiper blade-side fastening part 200 and the fastening element 500 are configured such that, by way of a rotation of the wiper blade-side fastening part 200 relative to the fastening element 500 , an engagement action can be realized in order to connect the wiper blade-side fastening part 200 to the fastening element 500 .
- the connection can be released by way of a release mechanism 600 .
- the wiper blade-side fastening part 200 and the fastening element 500 are configured such that, by rotation of the wiper blade-side fastening part 200 relative to the fastening element 500 about an axis of rotation which runs substantially transversely with respect to the longitudinal extent 8 of the windshield wiper device 110 , a position of the wiper blade-side fastening part 200 relative to the fastening element 500 can be fixed.
- the windshield wiper device 110 for the installation of the windshield wiper device 110 , the latter is pressed against a windshield of the vehicle by way of a rotational movement about the axis of rotation, and engages with detent action in the working point. This may be realized either by way of a force (for example using a finger) or else, for relatively strong preloads, by way of an installation moment (for example using a hand).
- the release mechanism for example pushbutton
- the part (wiper blade) is separated from the drive (fastening element) by way of a slight rotational movement.
- the release mechanism 600 is actuated, whereby the connection between the wiper blade-side fastening part 200 and the fastening element 500 is released, such that the wiper blade-side fastening part 200 can be released from the fastening element 500 by way of a rotation of the wiper blade-side fastening part 200 relative to the fastening element 500 in the opposite direction to the rotation during installation.
- a windshield wiper device which can be installed and uninstalled in a simple manner. Accordingly, the windshield wiper device can be easily exchanged in the event of damage, or can be easily removed before traveling through a car washing installation and subsequently installed again. Furthermore, jamming of the elements to be joined, such as may arise for example in the case of axially parallel installation or joining, can be avoided.
- the release mechanism 60 is arranged on the fastening element 500 .
- the wiper blade can be produced easily and inexpensively.
- the release mechanism 600 is in the form of a mechanically actuable pushbutton. In embodiments, the release mechanism 600 may be actuated by way of a pressing action.
- the fastening element 500 may have a first engagement element 210 .
- the first engagement element 210 is connected to the release mechanism 600 .
- the first engagement element 210 is designed to realize an engagement action with a first securing element 290 ( FIG. 6A ) of the wiper blade-side fastening part 200 .
- the first engagement element 210 can realize an engagement action with the first securing element 290 by way of a rotation about the axis of rotation which runs substantially transversely with respect to the longitudinal extent 8 of the windshield wiper device 110 .
- the first securing element 290 is formed from an edge region, a projection or a depression of the wiper blade-side fastening part 200 .
- the first securing element 290 is in the form of a projection.
- the first engagement element 210 is designed such that, upon the actuation of the release mechanism 600 , the engagement action between the first engagement element 210 and the first securing element 290 is released. It is thus possible for a user to easily install and uninstall the windshield wiper device 110 , for example by pressing the release mechanism 600 .
- the first engagement element 210 is connected to the release mechanism 600 .
- the first engagement element 210 and the release mechanism 600 are formed in one piece.
- the release mechanism 600 comprises an elastic element 250 .
- the release mechanism 600 can be fixed in a predetermined position, for example by way of a stress imparted by the elastic element 250 .
- the predetermined position is a position in which, in the installed state, the first engagement element 210 , which is connected to the release mechanism 600 , is in engagement with the first securing element 290 . In this way, an inadvertent release of the connection can be prevented.
- An actuation of the release mechanism 600 may in this case be performed counter to the elastic element 250 , for example counter to the stress imparted by the elastic element 250 .
- the elastic element 250 comprises a spring or an elastic material.
- the release mechanism 600 is mounted so as to be rotatable about an axis 610 which is substantially perpendicular to the longitudinal direction 8 .
- the release mechanism 600 and the first engagement element 210 are formed in one piece.
- the release mechanism 600 comprises an actuation part 280 and the first engagement element 210 , as shown in FIGS. 7A and 7B .
- the first engagement element 210 may be of two-part form, wherein the parts are provided for example so as to flank the actuation part 280 .
- the first securing element 290 may be of two-part form, such that the parts of the first securing element 210 are formed at positions which correspond to the parts of the engagement element 210 .
- the wiper blade-side fastening part 200 has a cutout 260 through which the release mechanism 600 can be actuated.
- the above-described actuation part 280 of the release mechanism projects through the cutout (window) 280 such that it can be actuated by a user.
- the wiper blade-side fastening part 200 has a depression which is designed to at least partially receive the fastening element 500 and/or the release mechanism 600 .
- the release mechanism 600 can be actuated through the window 260 in the wiper blade-side fastening part 200 .
- the actuation part 280 may project through the cutout 260 such that it can be actuated by a user.
- the fastening element 500 and the release mechanism 600 may, in the installed state, be at least partially covered or surrounded by the wiper blade-side fastening part 200 .
- the release mechanism 600 can typically be actuated through the window 260 in the wiper blade-side fastening part 200 .
- the actuation part 280 may project through the cutout 260 such that it can be actuated by a user.
- the wiper blade-side fastening part 200 may have a second engagement element 220 .
- the second engagement element 220 is typically designed to realize an engagement action with a second securing element 520 of the fastening element 500 .
- an engagement action may be realized by way of a linear movement of the second engagement element 220 of the wiper blade-side fastening part 200 relative to the second securing element 520 of the fastening element 500 .
- the end position of the second engagement element 220 that is to say the position in which the second engagement element 220 forms a stop in the second securing element 520 , defines the position of the axis of rotation about which the wiper blade-side fastening part 200 is rotated relative to the fastening element 500 during an installation or uninstallation process.
- the second engagement element 220 may be configured so as to extend substantially transversely with respect to the longitudinal extent 8 of the windshield wiper device 110 .
- the second engagement element 220 of the windshield wiper device 110 preferably extends at an angle of approximately 90° relative to the longitudinal extent 8 .
- the second engagement element 220 may be of pin-shaped form. It is thus possible, with the embodiments described herein, to provide a particularly effective and stable fastening device for a windshield wiper device.
- the second engagement element 220 may comprise a plastic or be composed of plastic.
- the second securing element 520 may comprise aluminum, zinc, a plastic, a plastic with metal insert or a combination thereof.
- the second engagement element 220 is in the form of a projection and the second securing element 520 is in the form of a depression
- the present disclosure is not restricted thereto.
- the second engagement element 220 may also be in the form of a depression
- the second securing element 520 may be in the form of a projection.
- the fastening element 500 has a receiving part for a drive shaft 300 , as shown by way of example in FIGS. 4, 5 and 7A .
- the method 600 comprises providing 601 a windshield wiper device as per the embodiments described herein. Furthermore, the method comprises connecting 602 the wiper blade-side fastening part to the fastening element by realization of an engagement action between the wiper blade-side fastening part and the fastening element, and rotation of the wiper blade-side fastening part relative to the fastening element about an axis of rotation. The connection can be released again by way of the release mechanism.
- a windshield wiper device which can be installed and uninstalled in a simple manner. Accordingly, the windshield wiper device can be easily exchanged in the event of damage, or can be easily removed before travelling through a car washing installation and subsequently installed again.
- FIG. 9A is a schematic illustration of an exemplary embodiment of the windshield wiper device in the basic position.
- the windshield wiper device is a wiper arm with an integrated wiper blade 28 , which is attached to a fastening part 20 or to an attachment piece.
- the fastening part 20 or a corresponding fastening element may be designed in accordance with the embodiments described here.
- the fastening part 20 is connected by way of a vehicle-side fastening element to a wiper motor 32 , which drives the fastening part 20 for the purposes of wiping the windshield 4 .
- the wiper blade 28 is of wedge-shaped design, wherein one end of the upper part 10 is fixedly connected, at an outer connecting position 34 , to one end of the lower part 12 .
- the respective other end of the upper part 10 and of the lower part 12 are fastened to the fastening part 20 .
- FIG. 2B is a schematic illustration of the wiper blade 28 with integrated wiper arm 30 as per FIG. 2A in a position placed against the windshield 4 .
- pressure forces act on the lower part 12 of the wiper blade 28 from below from the direction of the windshield 4 , such that the lower part 12 and the upper part 10 bend in the direction of the windshield 4 .
- FIG. 2A illustrates the wiper blade in its position in which it is not placed against the windshield, such that the lower part 12 is of substantially straight form.
- the lower part is, in the unloaded state, of convex form, that is to say with a curvature which projects away from the upper part in a central region.
- the windshield wiper device Upon coming into contact with a windshield, proceeding from the convex shape of the lower part, the windshield wiper device according to the embodiments described here may typically then assume the corresponding concave shape, which adapts to the windshield, of the lower part.
- Both the upper part 10 and the lower part 12 are, or may be designed as, flexible beams which, in FIGS. 9A and 9B , are for example in each case of unipartite form. This makes it possible to realize a particularly stable construction. It is likewise possible for only in each case one part of the upper part 10 and/or of the lower part 12 to be designed to be flexible. In some embodiments that may be combined with the other embodiments described here, for the upper part 10 and/or the lower part 12 , a material is used which has a modulus of elasticity which lies in a range between 0.005 kN/mm 2 and 0.5 kN/mm 2 , in particular 0.01 kN/mm 2 and 0.1 kN/mm 2 .
- the upper part 10 and the lower part 12 are arranged so as to be situated opposite one another.
- the end of the upper part 10 is fixedly connected, at the outer connecting position 34 , to the end of the lower part 12 . Otherwise, the upper part 10 and the lower part 12 are spaced apart from one another.
- the upper part 10 and the lower part 12 are connected to one another by way of connecting elements 18 .
- said connecting elements run, in FIG. 9A , approximately transversely with respect to the longitudinal extent 8 of the wiper blade 2 .
- said connecting elements may also run at an angle of greater than 90° or less than 90°, in particular at mutually different angles.
- the connecting elements 18 are fastened by way of rotary joints 20 to inner longitudinal sides, which face toward one another, of the upper part 10 and of the lower part 12 .
- the rotary joints 20 are hinges which can be made available by way of a plugging or clipping action.
- the hinges may also be formed by film hinges.
- the connecting elements 18 are spaced apart from one another along the longitudinal extent of the wiper blade 2 .
- the spacings between in each case two adjacent connecting elements 18 are equal. Said spacings may however also be selected so as to differ.
- the spacings are advantageously less than 50 mm, in particular less than 30 mm.
- one spacing 22 is illustrated as a representative of the spacings between in each case two connecting elements 18 .
- the connecting elements 18 are, in particular in the basic position of the wiper blade 2 , fastened to the lower part 12 such that their longitudinal axes run at angles 26 of between 45° and 135°, with the angles lying in particular between 65° and 115°, with respect to the lower part 12 .
- said angles may vary in subregions along the longitudinal extent, that is to say may increase or decrease from one connecting element to the next connecting element.
- a corresponding situation applies in the present exemplary embodiment to the fastenings of the connecting elements 18 to the upper part 10 .
- the spacings between the upper part 10 and the lower part 12 are defined primarily by the lengths of the connecting elements 18 .
- the lengths of the connecting elements 18 increase in size proceeding from the outer connecting position 34 as far as approximately the locations at which the bracket 6 that is attached to the upper part 10 begins. In this way, in the side view of the wiper blade 2 as per FIG. 9A , the upper part 10 and lower part 12 form a wedge.
- the connecting elements may be designed to be resistant to buckling or may be elastic.
- FIG. 9B is a schematic illustration of the wiper blade 2 as per FIG. 9A in a position placed against the windshield 4 .
- the windshield 4 has a curvature, it is the case that, when the wiper blade 2 bears against the windshield 4 , contact pressure forces act on the lower part 12 .
- the upper part 10 and the lower part 12 are flexible beams and the connecting elements 18 are mounted rotatably on upper part 10 and lower part 12 , the upper part 10 and the lower part 12 are displaceable relative to one another. Owing to the pressure forces that act on the lower part 12 from below, the wiper blade 2 bends in the direction from which the pressure forces originate, and bears exactly against the curvature of the windshield 4 .
- a windshield wiper device of this kind for example a windshield wiper arm or a windshield wiper arm with windshield wiper blade, has the advantage of improved adaptation to a windshield of a motor vehicle.
- the upper part thereof is conventionally rigid, that is to say is not designed to be flexible.
- a windshield wiper device utilizes the effect of tailfins of certain fish species, which, under the action of lateral pressure, do not deflect in the direction of the pressure but curve in the opposite direction, that is to say in the direction from which the pressure originates.
- This principle is also referred to as the “fin-ray” principle.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Transmission Devices (AREA)
- Pivots And Pivotal Connections (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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DE102013222992.5A DE102013222992B4 (de) | 2013-11-12 | 2013-11-12 | Scheibenwischvorrichtung |
DE102013222992.5 | 2013-11-12 | ||
DE102013222992 | 2013-11-12 | ||
PCT/EP2014/073449 WO2015071117A1 (de) | 2013-11-12 | 2014-10-31 | Scheibenwischvorrichtung |
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US20160297404A1 US20160297404A1 (en) | 2016-10-13 |
US10793113B2 true US10793113B2 (en) | 2020-10-06 |
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Application Number | Title | Priority Date | Filing Date |
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US15/036,164 Active 2035-08-16 US10793113B2 (en) | 2013-11-12 | 2014-10-31 | Windshield wiper device |
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US (1) | US10793113B2 (zh) |
JP (1) | JP6377156B2 (zh) |
KR (1) | KR101822599B1 (zh) |
CN (1) | CN105705386B (zh) |
DE (1) | DE102013222992B4 (zh) |
FR (1) | FR3013014B1 (zh) |
WO (1) | WO2015071117A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102014214569A1 (de) | 2014-07-24 | 2016-01-28 | Robert Bosch Gmbh | Quickfix für Finray-Wischer |
DE102014215427A1 (de) | 2014-08-05 | 2016-02-11 | Robert Bosch Gmbh | Abschließbarer für Finray-Wischer |
WO2019199404A1 (en) * | 2018-03-12 | 2019-10-17 | Trico Products Corporation | Multiple position locking wiper arm connector |
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Also Published As
Publication number | Publication date |
---|---|
KR20160068923A (ko) | 2016-06-15 |
CN105705386A (zh) | 2016-06-22 |
KR101822599B1 (ko) | 2018-01-26 |
CN105705386B (zh) | 2019-04-09 |
DE102013222992B4 (de) | 2024-05-29 |
FR3013014A1 (fr) | 2015-05-15 |
JP6377156B2 (ja) | 2018-08-22 |
JP2016537245A (ja) | 2016-12-01 |
FR3013014B1 (fr) | 2019-10-11 |
WO2015071117A1 (de) | 2015-05-21 |
DE102013222992A1 (de) | 2015-05-28 |
US20160297404A1 (en) | 2016-10-13 |
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